Home / 1,407,203.61-1,942,149.41-891,005.48

Finding the Fourth Proportional to 1,407,203.61, 1,942,149.41 and 891,005.48

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Solution

The fourth proportional to 1,407,203.61, 1,942,149.41 and 891,005.48 is: 1,229,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,203.61 : 1,942,149.41 = 891,005.48 : x
  2. Step 2: Convert to fraction form
    1,407,203.61/1,942,149.41 = 891,005.48/x
  3. Step 3: Cross multiply
    1,407,203.61x = 1,942,149.41 × 891,005.48
  4. Step 4: Simplify right side
    1,407,203.61x = 1,730,465,767,288.77
  5. Step 5: Solve for x
    x = 1,730,465,767,288.77/1,407,203.61
  6. Step 6: Final answer
    x = 1,229,719.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.